CVE-2021-33120

MEDIUM
5.4
CVSS Score
Published: February 9, 2022 at 10:04 PM UTC
Updated: June 17, 2026 at 03:54 AM UTC
51 products affected across 1 vendorCeleron N6211 FirmwareCeleron N5105 FirmwareCeleron N5100 Firmware

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.9%
SSVC
No known exploit

Description

Out of bounds read under complex microarchitectural condition in memory subsystem for some Intel Atom(R) Processors may allow authenticated user to potentially enable information disclosure or cause denial of service via network access.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
intel-atom-p5921b (same device)
All versions
intel-atom-p5931b (same device)
All versions
intel-atom-p5942b (same device)
All versions
intel-atom-p5962b (same device)
All versions
intel-atom-x6200fe (same device)
All versions
intel-atom-x6211e (same device)
All versions
intel-atom-x6212re (same device)
All versions
intel-atom-x6413e (same device)
All versions
intel-atom-x6425e (same device)
All versions
intel-atom-x6425re (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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